Female, because God is male. -ess is for females. Also, there is a Demi-God which is half God half Human, and Semi-God, which is part God, part Human. :)
Female
Bat was the Cow Goddess (Goddess: Female; God: Male)
It is a goddess.
Hephaestus was a male god. He was married to the goddess Aphrodite.
The Greek goddess Aphrodite was female.
There is no opposite. A creator is a creator. However, gods and goddesses are the male and female terms for deities.
Venus was named for the Roman goddess Venus, who is associated with Aphrodite.
Kami or kamisama (more polite). It can be either god, or goddess, gender doesn't matter. It can be also either singular, or plural.
The gender specific noun for a female deity is goddess.The gender specific noun for a male deity is god.
Venus is usually considered a feminine gender. Many women are named Venus. The planet Venus is the only major planet named for a goddess.
Goddess
Eros is a male god of love and desire. There is no god or goddess called Ero's in Greek mythology.
nzambe is god or, i assume also, goddess, as there is no gender in lingala. another way of saying it is "mwasi ya likolo," woman of heaven. or, perhaps, "nzambe ya mwasi" female god.